nervous system

Question 1

division of nervous system which controls voluntary movement

Answer 1

somatic nervous system

Question 2

chemical substances released from axon terminal to transmit impulses across synapses

Answer 2

neurotranmitter

Question 3

portion of brain to coordinate movement and balance

Answer 3

cerebellum

Question 4

clear gelatinous substances the fills the eyeball and gives the eye shape

Answer 4

virtreous humor

Question 5

projecting portion of outer ear, aka pinna

Answer 5

auricle

Question 6

portion of brain bridges the gap bw the left and right hemispheres of the cerebral cortex

Answer 6

corpus collosum

Question 7

receptors on tongue which respond to hydrogen ion or acidity

Answer 7

sour receptor

Question 8

cranial nerve used for facial motor movements, facial expression

Answer 8

facial

Question 9

spiderlike phagocytes in CNS; dispose of dead cells, bacteria and clots

Answer 9

microglia

Question 10

NEUROTRANSMITTER PART OF YOUR FIGHT OR FLIGHT SYSTEM, AKA ADRENALINE

Answer 10

epinephine

Question 11

cranial nerve for smelling

Answer 11

olfactory

Question 12

portion of brain control involuntary body functions such as heart rate, vomiting or coughing

Answer 12

brain stem

Question 13

area of retina containing only cone cells

Answer 13

forea centralis

Question 14

the difference bw gray mater and white matter is that gray matter is

Answer 14

unmyelinated

Question 15

photoreceptors specialized for seeing in dim light

Answer 15

rods

Question 16

conducts the nerve impulse away form the cell body

Answer 16

axons

Question 17

when conducting a signal ___ move into the axon

Answer 17

sodium ions

Question 18

gap bw the axon of one neuron and the dendrite of another neuron

Answer 18

synapses

Question 19

action potential is __ in myelinate axons than in unmyelinated axons

Answer 19

faster

Question 20

neurotranmitter to regulate your mood, causes depression when in short supply

Answer 20

serotonin

Question 21

photoreceptors which repond to light of different colors

Answer 21

cones

Question 22

specific ear structure providing constant information of hear position, static equilibrium

Answer 22

maculae membrane

Question 23

thin membrane in outer eat that vibrates when hit with soudnwaves

Answer 23

tympanic membrane

Question 24

opening for light to pass through into eye, usually black

Answer 24

pupil

Question 25

provides mylin sheath in neurons of PNS

Answer 25

schwan cell

Question 26

transparent protective layer on the anterior of the eye

Answer 26

aqueous humor

Question 27

cell that carries information away from the CNS

Answer 27

efferent neuron

Question 28

largest portion of the brain, responsivle for voluntary activites of the body, understanding and perception

Answer 28

cerebrum

Question 29

outermost covering of eyeball

Answer 29

sclera

Question 30

glial cells which anchor neurons to supply line in CNS

Answer 30

neurologia

Question 31

neurotransmitter is used to activate muscles

Answer 31

acetylcholine

Question 32

provides the myeline sheath in CNS neurons

Answer 32

oligodendrocytes

Question 33

light sensative membran in the eye that collects images in the eye

Answer 33

retina

Question 34

receptors on tongue which respond to pain

Answer 34

spicy

Question 35

associated with the sense of smell and taste

Answer 35

chemoreceptors

Question 36

infection of the eyelid, commonly called pink eye

Answer 36

conjuctives

Question 37

nervous system subdivision that is composed of cranial and spinal nerves

Answer 37

central nervous system

Question 38

cell that carries information toward the CNS

Answer 38

afferent neuron

Question 39

cranial nerve helps regulate heart activity

Answer 39

vagus

Question 40

transparent convex body focuses light rays as they enter the eye

Answer 40

lens

Question 41

moving your left hand is controled by the __ of the cerebrum

Answer 41

right hemisphere

Question 42

clear watery fluid bw the cornea and lens

Answer 42

aqueous humor

Question 43

part of the peripheral nervous system; regulates activity of heart, smooth muscels and glands

Answer 43

automic nervous system

Question 44

tranmit impulses from sense organs to cns

Answer 44

sensory neurons

Question 45

cranial nerve for trapezius and sternocleidomastoid

Answer 45

accessory

Question 46

portion of neuron that increases the speed of impulse transmission

Answer 46

myelin sheath

Question 47

connection of middle ear and throat, used to equalize pressure

Answer 47

eustachian tube

Question 48

seen primarily in males, explains why streetlight are all the same

Answer 48

color blindness

Question 49

receptor on tongue which respond to metal ions

Answer 49

salty

Question 50

__ and tiny sacs located behind it help the body maintain equilibrium and balance

Answer 50

semicircurclar canals

Question 51

cranial nerve used for hearing

Answer 51

vestibulocochlear

Question 52

begins when one neuron is stimylated by another neuron, caused by the movement of NA and K ions

Answer 52

action potential

Question 53

regulates the amout of light that enters the eye, providies eye color

Answer 53

iris

Question 54

receptrs on tongue which respond to alkaloids

Answer 54

bitter

Question 55

recepter on tongue which respond to sugar

Answer 55

sweet

Question 56

connected to the retina and carries light images to the brain

Answer 56

optic nerve

Question 57

cornea may be transplanted without fear of rejection bc they are __

Answer 57

avascular

Question 58

branched extension spreading from the cell body, receive nerve impulses and conducts the signal toward the cell body

Answer 58

dendrite

Question 59

cranial nerve for eye movement

Answer 59

oculomotor

Question 60

blind spot of the eye where the optic nerve and blood vessels connect to the eye

Answer 60

ocptic disc